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What's an achromatic lens?

An achromatic lens or Achromat is a lens that is created for the purpose of limiting the consequences of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to attract two wavelengths to concentrate in the same plane.

What's a chromatic aberration?

Chromatic aberration, also Called chromatic distortion and spherochromatism, is a result caused from dispersion as a result of failure of a lens to focus all colors to the identical convergence point. When white light passes through glass, each wavelength element of the light is separated and concentrates at different points onto a plane. Chromatic aberration appear as "fringes" of color combined boundaries that separate dark and bright parts of the image, due to each colour in the optical spectrum can't be concentrated at one common point.

What is a spherical aberration?

Spherical aberration is an Optical effect that occurs in a lens due to the increase of refraction of light beams as soon as it strikes the lens. The generated image will end in imperfection. Both this phenomenon suggests that the lens isn't functioning normally.

Achromatic double lenses

Achromatic doublet is your Most common type of achromat lens. Normally, it is composed of two separate lenses made from glasses with various amounts of dispersion.

Achromatic lenses utilize two Different glass substances of different dispersion to refocus the individual wavelengths of light to one focal point.

Achromatic lenses may be Used to adjust the line of sight and concentrate laser beams. These lenses are widely used in high quality digital imaging, surface inspection, and spectroscopy applications.

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